268
FZUS51 KBOX 281405
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 AM EDT TUE APR 28 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-290300-
1005 AM EDT TUE APR 28 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES WELL SOUTHEAST OF 40N/70W WILL CONTINUE TO DRIFT
EVEN FURTHER SOUTHEAST TONIGHT. OTHERWISE...HIGH PRES WILL REMAIN IN
CONTROL OF OUR WATERS INTO EARLY WED. LOW PRES THEN APPROACHES FROM
THE WEST LATER WED AND INTENSIFIES OFF THE COAST THU EVENTUALLY
LIFTING INTO MAINE FRI. THIS LOW WILL CONTINUE TO LIFT NORTHWEST
INTO QUEBEC BY SAT.
ANZ250-290300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 AM EDT TUE APR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
THIS AFTERNOON
NE WINDS AROUND 10 KT. GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND N 1 FOOT AT
3 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND N 1 FOOT AT
3 SECONDS. PATCHY FOG AFTER MIDNIGHT.
WED
NE WINDS AROUND 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT
AT 10 SECONDS AND N 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE
AFTERNOON. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT
AT 10 SECONDS AND SE 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN
THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN
THE EVENING WITH VSBY 1 TO 3 NM.
THU
SE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT
AT 10 SECONDS AND S 5 FT AT 5 SECONDS. SHOWERS.
THU NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND S
4 FT AT 5 SECONDS. SHOWERS IN THE EVENING.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT.
SAT
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
W WINDS AROUND 10 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-290300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND N 1 FOOT AT 2 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 10 SECONDS AND NE 2 FT AT 6 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 10 SECONDS AND NE 2 FT AT 6 SECONDS. PATCHY FOG IN THE
AFTERNOON. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND
SE 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 6 SECONDS AND E 5 FT AT 10 SECONDS. SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 5 SECONDS AND E 5 FT AT
9 SECONDS. SHOWERS LIKELY IN THE EVENING.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT.
FRI NIGHT AND SAT
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-290300-
CAPE COD BAY-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS AROUND 10 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 11 SECONDS AND N 1 FOOT AT
3 SECONDS.
TONIGHT
NE WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 11 SECONDS AND N
1 FOOT AT 3 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO
3 NM.
WED
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 11 SECONDS AND N 1 FOOT AT 3 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS IN THE AFTERNOON.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND N
2 FT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN THE EVENING WITH
VSBY 1 TO 3 NM.
THU
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND W 2 FT AT 3 SECONDS.
SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
SE 3 FT AT 5 SECONDS. SHOWERS LIKELY IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-290300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 AM EDT TUE APR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND N 3 FT AT
3 SECONDS.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND N 4 FT AT 4 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM.
WED
NE WINDS AROUND 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT
AT 11 SECONDS AND N 4 FT AT 6 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS. VSBY 1 TO 3 NM IN THE MORNING.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND
SE 4 FT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN THE EVENING WITH
VSBY 1 TO 3 NM.
THU
SE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT
AT 10 SECONDS AND S 5 FT AT 6 SECONDS. SHOWERS.
THU NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND S
4 FT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT.
SAT
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-290300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 AM EDT TUE APR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND N 2 FT AT
4 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT
AT 10 SECONDS AND N 3 FT AT 4 SECONDS. PATCHY FOG. VSBY 1 TO
3 NM.
WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 11 SECONDS AND N 4 FT AT
4 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND E
4 FT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN THE EVENING WITH
VSBY 1 TO 3 NM.
THU
SE WINDS 20 TO 25 KT, BECOMING S IN THE AFTERNOON. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 5 SECONDS AND SE 6 FT AT
6 SECONDS. SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE
6 FT AT 10 SECONDS AND W 4 FT AT 5 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SAT AND SAT NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-290300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 AM EDT TUE APR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND NE 3 FT AT
5 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS AND N 3 FT AT 5 SECONDS.
WED
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 10 SECONDS AND N 2 FT AT 4 SECONDS.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 5 SECONDS AND E
5 FT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS 15 TO 20 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 6 SECONDS
AND SE 5 FT AT 10 SECONDS. SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E
5 FT AT 10 SECONDS AND W 4 FT AT 5 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI
W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
W WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-290300-
NANTUCKET SOUND-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 3 FT AT 10 SECONDS.
PATCHY FOG. VSBY 1 TO 3 NM.
WED
NE WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT
AT 4 SECONDS AND E 2 FT AT 11 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS IN THE AFTERNOON. VSBY 1 TO 3 NM IN THE MORNING.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND N
2 FT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND W 2 FT AT 3 SECONDS.
SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND SW 3 FT AT
5 SECONDS. SHOWERS LIKELY IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-290300-
VINEYARD SOUND-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND
N 2 FT AT 9 SECONDS. PATCHY FOG AFTER MIDNIGHT.
WED
NE WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 4 SECONDS AND S 1 FOOT AT 11 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND E
2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS 15 TO 20 KT, BECOMING S IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS
AND SE 3 FT AT 5 SECONDS. SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND E 2 FT AT
6 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-290300-
BUZZARDS BAY-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND SE
1 FOOT AT 7 SECONDS.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 11 SECONDS.
WED
NE WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 3 SECONDS AND SE 1 FOOT AT 11 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 3 SECONDS AND
SE 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS 15 TO 20 KT, BECOMING S IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS
AND S 2 FT AT 5 SECONDS. SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: W 2 FT AT 2 SECONDS AND S 2 FT AT
6 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-290300-
RHODE ISLAND SOUND-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 10 SECONDS AND N 2 FT AT
4 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 10 SECONDS AND N
2 FT AT 4 SECONDS.
WED
N WINDS AROUND 10 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 10 SECONDS AND N 2 FT AT
3 SECONDS.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND
SE 4 FT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS AROUND 20 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS
AND SE 4 FT AT 10 SECONDS. SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND S 4 FT AT
6 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-290300-
BLOCK ISLAND SOUND-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
E WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 10 SECONDS AND E 3 FT AT 6 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 10 SECONDS AND N 2 FT AT
5 SECONDS.
WED
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND N 2 FT AT
4 SECONDS.
WED NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND E
3 FT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS 15 TO 20 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS AND SE 4 FT AT
6 SECONDS. SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 10 SECONDS AND S 3 FT AT
6 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-290300-
BOSTON HARBOR-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS,
THEN AROUND 2 FT.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, EXCEPT 2 TO
4 FT AT THE OUTER HARBOR ENTRANCE. A CHANCE OF SHOWERS IN THE
AFTERNOON.
WED NIGHT
E WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS, EXCEPT 2 TO 4 FT AT THE OUTER
HARBOR ENTRANCE. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS 15 TO 20 KT. WAVES 1 FOOT OR LESS, EXCEPT 2 TO
4 FT AT THE OUTER HARBOR ENTRANCE. SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. SHOWERS LIKELY IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-290300-
NARRAGANSETT BAY-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. WAVES
AROUND 2 FT.
WED NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS AROUND 15 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. WAVES 2 TO 3 FT. SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-290300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND N 1 FOOT AT
2 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND N 1 FOOT AT
2 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
E WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS 6 TO
8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND NE 1 FOOT AT
2 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG IN THE AFTERNOON.
WED NIGHT
E WINDS 15 TO 20 KT, BECOMING SE 20 TO 25 KT AFTER
MIDNIGHT. SEAS 6 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND
SE 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN THE EVENING WITH
VSBY 1 TO 3 NM.
THU
SE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 6 TO 7 FT. WAVE DETAIL: SE 7 FT AT 7 SECONDS AND
E 7 FT AT 10 SECONDS. SHOWERS.
THU NIGHT
S WINDS 20 TO 25 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 6 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND SE
7 FT AT 9 SECONDS. SHOWERS, MAINLY IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT.
SAT NIGHT
SW WINDS AROUND 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-290300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND N 4 FT AT
3 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 7 TO 9 FT. WAVE DETAIL: E 9 FT
AT 10 SECONDS AND N 4 FT AT 4 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS. VSBY 1 TO 3 NM.
WED
NE WINDS 10 TO 15 KT, BECOMING E IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 7 TO 8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS
AND N 4 FT AT 4 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY
1 TO 3 NM IN THE MORNING.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND SE 4 FT AT
5 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG IN THE EVENING WITH
VSBY 1 TO 3 NM.
THU
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND SE 5 FT AT 6 SECONDS.
SHOWERS.
THU NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND
SW 4 FT AT 5 SECONDS. SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT.
SAT NIGHT
SE WINDS AROUND 10 KT. SEAS 6 TO 9 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-290300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
N WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND N 2 FT AT
4 SECONDS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND N 5 FT AT 5 SECONDS.
PATCHY FOG. VSBY 1 TO 3 NM.
WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 6 TO 8 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND N 4 FT AT
5 SECONDS. PATCHY FOG IN THE AFTERNOON. A CHANCE OF SHOWERS IN
THE AFTERNOON.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 6 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND
SE 5 FT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN THE EVENING WITH
VSBY 1 TO 3 NM.
THU
SE WINDS AROUND 20 KT, BECOMING S IN THE AFTERNOON. SEAS
6 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND SE 6 FT AT
6 SECONDS. SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT. SEAS AROUND 6 FT. WAVE DETAIL:
W 6 FT AT 5 SECONDS AND E 6 FT AT 10 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 6 FT.
SAT
SW WINDS AROUND 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-290300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 AM EDT TUE APR 28 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND N 3 FT AT
4 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 6 FT. WAVE DETAIL: E 6 FT
AT 10 SECONDS AND N 3 FT AT 4 SECONDS. PATCHY FOG. VSBY 1 TO
3 NM.
WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 5 TO 6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND N 2 FT AT
4 SECONDS.
WED NIGHT
E WINDS 10 TO 15 KT, BECOMING SE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 5 TO 6 FT. WAVE DETAIL: E 6 FT AT 5 SECONDS AND E
6 FT AT 10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
THU
SE WINDS 20 TO 25 KT, BECOMING SW IN THE AFTERNOON. SEAS
5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND E 6 FT AT
10 SECONDS. SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. WAVE DETAIL: E
5 FT AT 10 SECONDS AND W 4 FT AT 5 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI AND FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT.
SAT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
6 TO 9 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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